RECORD: Darwin, C. R. n.d. Ledebour [vols 1-4] Genera with 16 sp[ecies] & upwards. CUL-DAR16.119-121a. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR15.2 contains calculations and tables for Darwin's 'big book' Natural Selection F1583.

Ledebour, Carl Friedrich von. 1842-1853. Flora Rossica, sive enumeratio plantarum in totius imperii Rossici provinciis Europaeis, Asiaticis et Americanis hujusque observatarum. 4 vols. Stuttgart.


119

(11

Ledebour. Vol I.

Genera with 15 16 sp & upwards.

Genera with 15 14 — 6 inclusive

189 [÷] 1110 [=] 170/1000

48 [÷] 356 [=] .134/1000

 

 

267no' of vars [÷] 189sp. having vars. [=] 1.412

69 [÷] 48 [=] 1.437

Vol 2.

 

 

 

158 [÷] 994 [=] 158 159 /1000

64 [÷] 442 [=] 144/1000

 

 

254no of var [÷] 158no of specs . [=] 1.607

87 [÷] 64 [=] 1.359

120

(12


Ledebour. Vol. 3.

Genera with 16 sp & upwards

Genera with 15—6 inclusive

122 [÷] 685 [=] .178/1000

X 81 80 [÷] 426 432 [=] .187/1000 X

 

81 [÷] 432 [=] 187/1000

 

 

186 no' of vars [÷] 122 [=] 1.524

X 112 110 [÷] 81 80 [=] 1.385 1.39 X

 

Over

Vol 4.

 

 

 

104 [÷] 496 [=] .209/1000

41 [÷] 207 [=] .198/1000

 

 

146 no' of vars [÷] 104 sp. have vars. [=] 1.403

66 [÷] 41 [=] 1.609

120v

112

81

1.38

121a

(Q)

(13


   Ledebour    All four vols.

Genera with 16 sp & upwards

Genera with 15-6 both inclusive

573 [÷] 3285 [=] 174/1000

233 [÷] 1431 147 [=] 162/1000

 

X 234 [÷] 1437 [=] .162 X

 

 

853 no' of vars [÷] 573 sp. having vars. [=] 1.488

X 334 333 [÷] 234 233 [=] 1.424 X

 

334 [÷] 234 [=] 1.42

 


Return to homepage

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 2 December, 2025